12987549 is an odd 8-digits composite number following 12987548
and preceding 12987550 . In scientific notation, it is written as 1.2987549 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 8612352 positive integers (up to 12987549) that are relatively prime to 12987549.
12987549 has 8 divisors, whose sum is 14507320
The reverse of 12987549 is 94578921
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million nine hundred eighty-seven thousand five hundred forty-nine
Scientific notation
1.2987549 × 10^7
Engineering notation
1.2987549 × 10^6
Prime Factorization
9 × 193 × 7477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12987549
Product of the distinct prime numbers
The prime factorization of 12987549 is 9 × 193 × 7477.
Since it has a total of 3 prime factors.
4 , 1 , 3 , 31 , 467 , 495 , 9009 , 8381 , 4226 , 59679 , 552045 , 485958 , 7446678 , 4309145 , 14608971 , 23370733 , 668520031 , 102778764 , 9859422334 , 1301609307
n×2
25975098
n×3
38962647
n×4
51950196
n×5
64937745
n÷2
6493774.5
n÷3
4329183
n÷3
3246887.25
n÷5
2597509.8
n2
168676429027401
n3
2.1906933871384E+21
n4
2.8451737709436E+28
n5
3.6951833763645E+35
2 √n
3603.8242187987
3 √n
235.05837692625
4 √n
60.031860031143
5 √n
26.46704402747
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12987548
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12987549 can be divided by 8 positive divisors.
The sum of these divisors (counting 12987549) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100010110010011101
3
Ternary
220102211120100
4
Quaternary
301202302131
5
Quinary
11311100144
6
Senary
1142211313
8
Octal
61426235
10
Decimal
12987549
12
Duodecimal
4423b39
16
Hexadecimal
c62c9d
20
Vigesimal
4138h9
36
Base36
7qd99
md5
ab42f2a9bdeb03f872159259cc8ed9e4
sha1
661179e96d81cb44759cb892e7228da6a8e4b2c0
sha256
051256e6d91b8a054c7862f9d76bf2a2356286000040ae23fd8718461965294e
sha512
f6275b8108a3bb5f0f3c955319b026fab612b93123ca7d86a8bcb388ec28f94c949d60e57735df206e96c29128325391f0a50ba292052fa5004488e09f8cd522
ripemd-160
92005eab25199f867cde6468f669f342870525bd
Diameter
25975098
Circumference
81603177.053075
Area
5.2991263026624E+14
Volume
9.1763550017356E+21
Surface area
2.119650521065E+15
Circumference
81603177.053075
Perimeter
51950196
Area
168676429027401
Diagonal
18367167.937785
Surface area
1012058574164406
Volume
2.1906933871384E+21
Space diagonal
22495094.73379
Perimeter
38962647
Area
73039036278686
Altitude
11247547.366895
Surface area
73039036278686
Volume
2.5817569159101E+20
Height
6122389.312595